RegisterFacilityClass(TNavigationTower);
   RegisterMethod(@TNavigationTower.AncestorLostParent, TypeInfo(@TNavigationTower.AncestorLostParent));
   RegisterMethod(@TNavigationTower.AncestorGainedParent, TypeInfo(@TNavigationTower.AncestorGainedParent));
   RegisterMethod(@TNavigationTower.HandleCrash, TypeInfo(@TNavigationTower.HandleCrash));